code: def _shares_exec_prefix(basedir: str) -> bool:
      """Whether a give base directory is on the system exex prefix"""
      # XXX: exec_prefix has type str so why the check?
      prefix: str | None = sys.exec_prefix
      return prefix is not None and basedir.startswith(prefix)
  
file_path: bokeh/src/bokeh/io/util.py
imports: from __future__ import annotations
  import logging
  import os
  import sys
  from os.path import basename, dirname, join, splitext
  from tempfile import NamedTemporaryFile
label_desc: Use image node_id 5 for calling a global function with example usage: _shares_exec_prefix(basedir) and returns: unknown